Continent: |
Asia | Latitude: |
59.12 | deg. |
Country: |
Russia | Longitude: |
93.48 |
deg. |
River: |
Bolshoy Pit | Elevation: |
144.9 |
m |
Station: |
Bryanka | Area: |
15100.0 |
km2 |
| Mean for Observation Period: | 1936 | - | 1989 | Total months: | 644 |
| - | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| m3/c | 25.4 | 19.9 | 18.6 | 35.2 | 538. | 429. | 164. | 117. | 118. | 86.9 | 47.3 | 33.7 | 136. |
| mm | 4.51 | 3.22 | 3.31 | 6.05 | 95.4 | 73.6 | 29.0 | 20.8 | 20.2 | 15.4 | 8.12 | 5.97 | 284. |
| km3 | 0.068 | 0.049 | 0.050 | 0.091 | 1.44 | 1.11 | 0.44 | 0.31 | 0.31 | 0.23 | 0.12 | 0.090 | 4.29 |
| l/s/km2 | 1.68 | 1.32 | 1.24 | 2.33 | 35.6 | 28.4 | 10.8 | 7.75 | 7.81 | 5.75 | 3.13 | 2.23 | 9.01 |
| %% | 1.56 | 1.22 | 1.14 | 2.16 | 32.9 | 26.3 | 10.0 | 7.17 | 7.23 | 5.32 | 2.90 | 2.06 | 100. |
Bolshoy Pit at Bryanka
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
| 1936 | 16.2 | 8.90 | 6.60 | 8.10 | 554. | 344. | 251. | 159. | 80.3 | 44.8 | 28.0 | 25.4 | 127. |
| 1937 | 23.8 | 21.1 | 17.1 | 20.4 | 540. | 214. | 92.2 | 63.8 | 131. | 88.1 | 37.9 | 35.7 | 107. |
| 1938 | 33.9 | 32.4 | 31.9 | 39.9 | 603. | 348. | 111. | 67.9 | - | - | - | - | - |
| 1939 | 24.7 | 22.8 | 22.5 | 124. | 534. | 258. | 87.7 | 85.0 | 94.2 | 45.7 | 25.0 | 24.1 | 112. |
| 1940 | 22.2 | 18.8 | 17.2 | 25.7 | 456. | 336. | 169. | 58.1 | 55.8 | 115. | 35.2 | 31.7 | 112. |
| 1941 | 27.7 | 24.9 | 23.7 | 24.7 | 589. | 444. | 195. | 127. | 74.6 | 54.1 | 38.8 | 38.6 | 139. |
| 1942 | 27.3 | 18.6 | 16.1 | 28.9 | 497. | 376. | 180. | 63.9 | 53.9 | 32.7 | 26.9 | 27.5 | 112. |
| 1943 | 24.0 | 18.0 | 19.7 | 176. | 373. | 229. | 191. | 119. | 113. | 66.7 | 51.1 | 40.5 | 118. |
| 1944 | 29.5 | 19.8 | 23.1 | 72.9 | 692. | 509. | 160. | 103. | 93.8 | 68.6 | 45.1 | 28.6 | 154. |
| 1945 | 22.2 | 16.6 | 14.0 | 48.4 | 554. | 407. | 291. | 140. | 79.2 | 62.6 | 40.1 | 33.0 | 142. |
| 1946 | 24.6 | 22.0 | 21.0 | 20.5 | 562. | 739. | 284. | 151. | 161. | 86.7 | 70.5 | 55.5 | 183. |
| 1947 | 38.9 | 24.9 | 24.6 | 46.1 | 788. | 189. | 96.7 | 47.8 | 58.4 | 40.8 | 24.4 | 14.1 | 116. |
| 1948 | 11.0 | 8.80 | 12.0 | 26.3 | 599. | 458. | 283. | 168. | 249. | 150. | 84.3 | 55.0 | 175. |
| 1949 | 44.5 | 38.5 | 31.5 | 38.4 | 607. | 452. | 259. | 140. | 98.7 | 108. | 60.8 | 41.6 | 160. |
| 1950 | 27.9 | 24.2 | 22.9 | 23.4 | 532. | 265. | 96.5 | 85.5 | 88.7 | 90.3 | 38.7 | 24.5 | 110. |
| 1951 | 21.1 | 24.2 | 25.3 | 31.2 | 711. | 327. | 261. | 122. | 108. | 76.9 | 44.6 | 37.6 | 149. |
| 1952 | 30.0 | 26.9 | 24.0 | 26.9 | 626. | 444. | 161. | 106. | 78.6 | 130. | 51.0 | 38.3 | 145. |
| 1953 | 28.8 | 22.2 | 26.1 | 87.0 | 779. | 315. | 133. | 63.7 | 82.9 | 93.3 | 51.6 | 33.0 | 143. |
| 1954 | 23.3 | 19.0 | 17.7 | 23.9 | 381. | 339. | 236. | 167. | 140. | 121. | 69.1 | 44.0 | 132. |
| 1955 | 30.3 | 24.2 | 18.7 | 28.7 | 491. | 224. | 114. | 72.0 | 126. | 74.2 | 73.0 | 64.2 | 112. |
| 1956 | 37.8 | 24.3 | 19.7 | 22.2 | 744. | 312. | 173. | 118. | 82.4 | 134. | 54.5 | 9.90 | 144. |
| 1957 | 9.80 | 9.50 | 3.60 | 6.20 | 347. | 582. | 92.6 | 65.6 | 64.8 | 58.5 | 47.6 | 33.8 | 110. |
| 1958 | 26.1 | 21.3 | 15.0 | 17.1 | 673. | 333. | 112. | 125. | 93.5 | 79.9 | 46.4 | 27.0 | 131. |
| 1959 | 24.7 | 24.8 | 24.6 | 26.2 | 412. | 1110. | 188. | 214. | 217. | 121. | 58.7 | 37.3 | 205. |
| 1960 | 36.2 | 36.9 | 26.6 | 28.0 | 672. | 628. | 234. | 192. | 197. | 120. | 52.6 | 42.9 | 189. |
| 1961 | 34.0 | 19.7 | 21.1 | 23.6 | 606. | 360. | 147. | 150. | 134. | 75.6 | 47.6 | 16.4 | 136. |
| 1962 | 17.5 | 26.0 | 28.8 | 31.4 | 657. | 277. | 135. | 119. | 97.2 | 47.2 | 38.2 | 34.4 | 126. |
| 1963 | 23.6 | 24.3 | 24.7 | 26.8 | 511. | 721. | 198. | 334. | 311. | 229. | 68.6 | 51.6 | 210. |
| 1964 | 44.1 | 27.1 | 26.6 | 32.9 | 596. | 378. | 163. | 81.9 | 60.0 | 33.4 | 26.1 | 22.4 | 124. |
| 1965 | 23.6 | 20.8 | 19.3 | 21.6 | 505. | 341. | 113. | 71.9 | 158. | 131. | 49.4 | 28.5 | 124. |
| 1966 | 24.1 | 20.5 | 19.3 | 22.1 | 566. | 350. | 149. | 109. | 97.4 | 77.7 | 45.1 | 32.2 | 126. |
| 1967 | 21.4 | 14.5 | 15.2 | 147. | 422. | 213. | 139. | 67.3 | 57.9 | 45.4 | 14.0 | 6.30 | 96.9 |
| 1968 | 5.90 | 3.00 | 4.20 | 38.9 | 400. | 247. | 185. | 66.6 | 48.7 | 38.9 | 14.0 | 5.80 | 88.2 |
| 1969 | 3.50 | 3.60 | 3.30 | 7.80 | 551. | 520. | 187. | 264. | 188. | 88.6 | 41.7 | 29.5 | 157. |
| 1970 | 21.2 | 16.3 | 11.1 | 30.7 | 561. | 345. | 118. | 68.3 | 54.8 | 38.4 | 16.0 | 11.6 | 108. |
| 1971 | 11.4 | 5.30 | 6.10 | 14.1 | 704. | 385. | 173. | 114. | 204. | 190. | 91.9 | 46.6 | 162. |
| 1972 | 38.9 | 30.2 | 27.1 | 37.1 | 454. | 410. | 140. | 71.5 | 135. | 76.0 | 19.8 | 21.4 | 122. |
| 1973 | 21.2 | 16.8 | 17.3 | 19.2 | 533. | 637. | 208. | 137. | 63.0 | 38.1 | 34.9 | 32.2 | 146. |
| 1974 | 25.0 | 15.7 | 13.8 | 26.2 | 449. | 646. | 119. | 147. | 194. | 130. | 51.5 | 32.8 | 154. |
| 1975 | 25.9 | 20.2 | 19.3 | 22.6 | 512. | 607. | 167. | 187. | 217. | 176. | 81.0 | 68.1 | 175. |
| 1976 | 44.0 | 29.6 | 26.3 | 34.5 | 574. | 346. | 107. | 95.1 | 106. | 64.2 | 47.1 | 30.5 | 125. |
| 1977 | 17.0 | 9.10 | 9.40 | 39.9 | 529. | 512. | 125. | 66.5 | 119. | 62.4 | 38.9 | 25.4 | 129. |
| 1978 | 28.7 | 20.0 | 17.6 | 19.4 | 490. | 553. | 120. | 139. | 170. | 125. | 34.1 | 36.1 | 146. |
| 1979 | 27.7 | 16.6 | 27.2 | 31.9 | 574. | 652. | 193. | 93.3 | 107. | 116. | 62.5 | 43.7 | 162. |
| 1980 | 29.3 | 17.7 | 18.5 | 23.3 | 421. | 493. | 132. | 91.7 | 80.8 | 46.7 | 42.7 | 40.8 | 120. |
| 1981 | 31.9 | 19.3 | 20.3 | 76.4 | 638. | 255. | 120. | 79.6 | 77.9 | 42.6 | 32.7 | 33.1 | 119. |
| 1982 | 21.0 | 19.3 | 16.8 | 33.4 | 464. | 304. | 172. | 71.5 | 63.1 | 44.2 | 37.6 | 34.3 | 107. |
| 1983 | 30.0 | 19.8 | 14.0 | 15.0 | 310. | 1030. | 137. | 101. | 138. | 106. | 64.0 | 52.7 | 168. |
| 1984 | 29.2 | 17.8 | 15.6 | 14.4 | 537. | 411. | 130. | 67.3 | 53.3 | 34.9 | 28.0 | 15.0 | 113. |
| 1985 | 14.8 | 13.6 | 11.5 | 15.3 | 359. | 480. | 219. | 177. | 186. | 109. | 70.4 | 37.2 | 141. |
| 1986 | 19.4 | 17.6 | 17.9 | 20.6 | 468. | 456. | 176. | 229. | 176. | 99.9 | 45.5 | 34.6 | 147. |
| 1987 | 26.0 | 23.1 | 18.4 | 16.8 | 324. | 331. | 123. | 80.1 | 91.3 | 77.2 | 58.6 | 30.1 | 100.0 |
| 1988 | 20.4 | 18.0 | 15.2 | 17.3 | 368. | 415. | 201. | 124. | 157. | 107. | 94.4 | 60.1 | 133. |
| 1989 | 26.2 | 15.0 | 16.0 | 21.1 | 631. | 294. | 92.5 | 91.1 | 83.8 | 90.9 | 55.2 | 26.8 | 120. |